J. L. Dillard.
Black English: its history and usage in the United States.
Random House, New York, 1st ed. edition, 1972.
link
bibtex
@book{dillard_black_1972,
address = {New York},
edition = {1st ed.},
title = {Black {English}: its history and usage in the {United} {States}},
isbn = {978-0-394-46760-3},
shorttitle = {Black {English}},
publisher = {Random House},
author = {Dillard, J. L.},
year = {1972},
keywords = {African Americans, Americanisms, Black English, Languages, Perfective done},
}